package servlet;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@WebServlet("/LogoutServlet")
public class LogoutServlet extends HttpServlet{
	@Override
	protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		// TODO 自动生成的方法存根
		//将session变量username置空
		req.getSession().setAttribute("username", null);
		//转向到首页
		resp.sendRedirect(req.getContextPath()+"/index.jsp");
	}

}
